~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/powerpc/kvm/Kconfig

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /arch/powerpc/kvm/Kconfig (Version linux-6.12-rc7) and /arch/mips/kvm/Kconfig (Version linux-5.2.21)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 #                                                   2 #
  3 # KVM configuration                                 3 # KVM configuration
  4 #                                                   4 #
  5                                                << 
  6 source "virt/kvm/Kconfig"                           5 source "virt/kvm/Kconfig"
  7                                                     6 
  8 menuconfig VIRTUALIZATION                           7 menuconfig VIRTUALIZATION
  9         bool "Virtualization"                       8         bool "Virtualization"
 10         help                                   !!   9         ---help---
 11           Say Y here to get to see options for     10           Say Y here to get to see options for using your Linux host to run
 12           other operating systems inside virtu     11           other operating systems inside virtual machines (guests).
 13           This option alone does not add any k     12           This option alone does not add any kernel code.
 14                                                    13 
 15           If you say N, all options in this su !!  14           If you say N, all options in this submenu will be skipped and disabled.
 16           disabled.                            << 
 17                                                    15 
 18 if VIRTUALIZATION                                  16 if VIRTUALIZATION
 19                                                    17 
 20 config KVM                                         18 config KVM
 21         bool                                   !!  19         tristate "Kernel-based Virtual Machine (KVM) support"
 22         select KVM_COMMON                      !!  20         depends on HAVE_KVM
                                                   >>  21         depends on MIPS_FP_SUPPORT
                                                   >>  22         select EXPORT_UASM
                                                   >>  23         select PREEMPT_NOTIFIERS
                                                   >>  24         select KVM_GENERIC_DIRTYLOG_READ_PROTECT
 23         select HAVE_KVM_VCPU_ASYNC_IOCTL           25         select HAVE_KVM_VCPU_ASYNC_IOCTL
 24         select KVM_VFIO                        << 
 25         select HAVE_KVM_IRQ_BYPASS             << 
 26                                                << 
 27 config KVM_BOOK3S_HANDLER                      << 
 28         bool                                   << 
 29                                                << 
 30 config KVM_BOOK3S_32_HANDLER                   << 
 31         bool                                   << 
 32         select KVM_BOOK3S_HANDLER              << 
 33         select KVM_MMIO                        << 
 34                                                << 
 35 config KVM_BOOK3S_64_HANDLER                   << 
 36         bool                                   << 
 37         select KVM_BOOK3S_HANDLER              << 
 38                                                << 
 39 config KVM_BOOK3S_PR_POSSIBLE                  << 
 40         bool                                   << 
 41         select KVM_MMIO                            26         select KVM_MMIO
 42         select KVM_GENERIC_MMU_NOTIFIER        !!  27         select MMU_NOTIFIER
 43                                                !!  28         select SRCU
 44 config KVM_BOOK3S_HV_POSSIBLE                  !!  29         ---help---
 45         bool                                   !!  30           Support for hosting Guest kernels.
 46                                                !!  31 
 47 config KVM_BOOK3S_32                           !!  32 choice
 48         tristate "KVM support for PowerPC book !!  33         prompt "Virtualization mode"
 49         depends on PPC_BOOK3S_32 && !SMP && !P !!  34         depends on KVM
 50         depends on !CONTEXT_TRACKING_USER      !!  35         default KVM_MIPS_TE
 51         select KVM                             !!  36 
 52         select KVM_BOOK3S_32_HANDLER           !!  37 config KVM_MIPS_TE
 53         select KVM_BOOK3S_PR_POSSIBLE          !!  38         bool "Trap & Emulate"
 54         select PPC_FPU                         !!  39         ---help---
 55         help                                   !!  40           Use trap and emulate to virtualize 32-bit guests in user mode. This
 56           Support running unmodified book3s_32 !!  41           does not require any special hardware Virtualization support beyond
 57           in virtual machines on book3s_32 hos !!  42           standard MIPS32/64 r2 or later, but it does require the guest kernel
 58                                                !!  43           to be configured with CONFIG_KVM_GUEST=y so that it resides in the
 59           This module provides access to the h !!  44           user address segment.
 60           a character device node named /dev/k !!  45 
 61                                                !!  46 config KVM_MIPS_VZ
 62           If unsure, say N.                    !!  47         bool "MIPS Virtualization (VZ) ASE"
 63                                                !!  48         ---help---
 64 config KVM_BOOK3S_64                           !!  49           Use the MIPS Virtualization (VZ) ASE to virtualize guests. This
 65         tristate "KVM support for PowerPC book !!  50           supports running unmodified guest kernels (with CONFIG_KVM_GUEST=n),
 66         depends on PPC_BOOK3S_64               !!  51           but requires hardware support.
 67         select KVM_BOOK3S_64_HANDLER           !!  52 
 68         select KVM                             !!  53 endchoice
 69         select KVM_BOOK3S_PR_POSSIBLE if !KVM_ !!  54 
 70         select PPC_64S_HASH_MMU                !!  55 config KVM_MIPS_DYN_TRANS
 71         select SPAPR_TCE_IOMMU if IOMMU_SUPPOR !!  56         bool "KVM/MIPS: Dynamic binary translation to reduce traps"
 72         help                                   !!  57         depends on KVM_MIPS_TE
 73           Support running unmodified book3s_64 !!  58         default y
 74           in virtual machines on book3s_64 hos !!  59         ---help---
 75                                                !!  60           When running in Trap & Emulate mode patch privileged
 76           This module provides access to the h !!  61           instructions to reduce the number of traps.
 77           a character device node named /dev/k << 
 78                                                << 
 79           If unsure, say N.                    << 
 80                                                << 
 81 config KVM_BOOK3S_64_HV                        << 
 82         tristate "KVM for POWER7 and later usi << 
 83         depends on KVM_BOOK3S_64 && PPC_POWERN << 
 84         select KVM_BOOK3S_HV_POSSIBLE          << 
 85         select KVM_GENERIC_MMU_NOTIFIER        << 
 86         select CMA                             << 
 87         help                                   << 
 88           Support running unmodified book3s_64 << 
 89           virtual machines on POWER7 and newer << 
 90           hypervisor mode available to the hos << 
 91                                                << 
 92           If you say Y here, KVM will use the  << 
 93           facilities of POWER7 (and later) pro << 
 94           guest operating systems will run at  << 
 95           using supervisor and user modes.  Ho << 
 96           that KVM is not usable under PowerVM << 
 97           on POWER7 or later processors, and c << 
 98           different processor from the host pr << 
 99                                                << 
100           If unsure, say N.                    << 
101                                                << 
102 config KVM_BOOK3S_64_PR                        << 
103         tristate "KVM support without using hy << 
104         depends on KVM_BOOK3S_64               << 
105         depends on !CONTEXT_TRACKING_USER      << 
106         select KVM_BOOK3S_PR_POSSIBLE          << 
107         help                                   << 
108           Support running guest kernels in vir << 
109           without using hypervisor mode in the << 
110           guest in user mode (problem state) a << 
111           privileged instructions and register << 
112                                                << 
113           This is only available for hash MMU  << 
114           guests that use hash MMU mode.       << 
115                                                << 
116           This is not as fast as using hypervi << 
117           machines where hypervisor mode is no << 
118           and can emulate processors that are  << 
119           processor, including emulating 32-bi << 
120           host.                                << 
121                                                << 
122           Selecting this option will cause the << 
123           disabled when the kernel is booted o << 
124           hash MMU mode (regardless of PR VMs  << 
125           are running, "AIL" mode is disabled  << 
126           and system calls on the host.        << 
127                                                << 
128 config KVM_BOOK3S_HV_EXIT_TIMING               << 
129         bool                                   << 
130                                                << 
131 config KVM_BOOK3S_HV_P9_TIMING                 << 
132         bool "Detailed timing for the P9 entry << 
133         select KVM_BOOK3S_HV_EXIT_TIMING       << 
134         depends on KVM_BOOK3S_HV_POSSIBLE && D << 
135         help                                   << 
136           Calculate time taken for each vcpu d << 
137           exit, time spent inside the guest an << 
138           hypercalls and page faults. The tota << 
139           times in nanoseconds together with t << 
140           are reported in debugfs in kvm/vm#/v << 
141                                                << 
142           If unsure, say N.                    << 
143                                                << 
144 config KVM_BOOK3S_HV_P8_TIMING                 << 
145         bool "Detailed timing for hypervisor r << 
146         select KVM_BOOK3S_HV_EXIT_TIMING       << 
147         depends on KVM_BOOK3S_HV_POSSIBLE && D << 
148         help                                   << 
149           Calculate time taken for each vcpu i << 
150           exit, and interrupt handling code, p << 
151           and in nap mode due to idle (cede) w << 
152           in the guest.  The total, minimum an << 
153           together with the number of executio << 
154           kvm/vm#/vcpu#/timings.  The overhead << 
155           ns per exit on POWER8.               << 
156                                                << 
157           If unsure, say N.                    << 
158                                                << 
159 config KVM_BOOK3S_HV_NESTED_PMU_WORKAROUND     << 
160         bool "Nested L0 host workaround for L1 << 
161         depends on KVM_BOOK3S_HV_POSSIBLE      << 
162         default !EXPERT                        << 
163         help                                   << 
164           Old nested HV capable Linux guests h << 
165           reflect the PMU in-use status of the << 
166           while the L2 PMU registers are live. << 
167           of L2 PMU register state, causing pe << 
168           L2 guests.                           << 
169                                                << 
170           Selecting this option for the L0 hos << 
171           those buggy L1s which saves the L2 s << 
172           in all nested-capable guest entry/ex << 
173                                                << 
174 config KVM_BOOKE_HV                            << 
175         bool                                   << 
176                                                << 
177 config KVM_EXIT_TIMING                         << 
178         bool "Detailed exit timing"            << 
179         depends on KVM_E500V2 || KVM_E500MC    << 
180         help                                   << 
181           Calculate elapsed time for every exi << 
182           report is available in debugfs kvm/v << 
183           The overhead is relatively small, ho << 
184           production environments.             << 
185                                                << 
186           If unsure, say N.                    << 
187                                                << 
188 config KVM_E500V2                              << 
189         bool "KVM support for PowerPC E500v2 p << 
190         depends on PPC_E500 && !PPC_E500MC     << 
191         depends on !CONTEXT_TRACKING_USER      << 
192         select KVM                             << 
193         select KVM_MMIO                        << 
194         select KVM_GENERIC_MMU_NOTIFIER        << 
195         help                                   << 
196           Support running unmodified E500 gues << 
197           E500v2 host processors.              << 
198                                                    62 
199           This module provides access to the h !!  63           If unsure, say Y.
200           a character device node named /dev/k << 
201                                                    64 
202           If unsure, say N.                    !!  65 config KVM_MIPS_DEBUG_COP0_COUNTERS
203                                                !!  66         bool "Maintain counters for COP0 accesses"
204 config KVM_E500MC                              !!  67         depends on KVM
205         bool "KVM support for PowerPC E500MC/E !!  68         ---help---
206         depends on PPC_E500MC                  !!  69           Maintain statistics for Guest COP0 accesses.
207         depends on !CONTEXT_TRACKING_USER      !!  70           A histogram of COP0 accesses is printed when the VM is
208         select KVM                             !!  71           shutdown.
209         select KVM_MMIO                        << 
210         select KVM_BOOKE_HV                    << 
211         select KVM_GENERIC_MMU_NOTIFIER        << 
212         help                                   << 
213           Support running unmodified E500MC/E5 << 
214           virtual machines on E500MC/E5500/E65 << 
215                                                << 
216           This module provides access to the h << 
217           a character device node named /dev/k << 
218                                                    72 
219           If unsure, say N.                        73           If unsure, say N.
220                                                    74 
221 config KVM_MPIC                                !!  75 source "drivers/vhost/Kconfig"
222         bool "KVM in-kernel MPIC emulation"    << 
223         depends on KVM && PPC_E500             << 
224         select HAVE_KVM_IRQCHIP                << 
225         select HAVE_KVM_IRQ_ROUTING            << 
226         select HAVE_KVM_MSI                    << 
227         help                                   << 
228           Enable support for emulating MPIC de << 
229           host kernel, rather than relying on  << 
230           Currently, support is limited to cer << 
231           Freescale's MPIC implementation.     << 
232                                                << 
233 config KVM_XICS                                << 
234         bool "KVM in-kernel XICS emulation"    << 
235         depends on KVM_BOOK3S_64 && !KVM_MPIC  << 
236         select HAVE_KVM_IRQCHIP                << 
237         default y                              << 
238         help                                   << 
239           Include support for the XICS (eXtern << 
240           Specification) interrupt controller  << 
241           IBM POWER (pSeries) servers.         << 
242                                                << 
243 config KVM_XIVE                                << 
244         bool                                   << 
245         default y                              << 
246         depends on KVM_XICS && PPC_XIVE_NATIVE << 
247                                                    76 
248 endif # VIRTUALIZATION                             77 endif # VIRTUALIZATION
                                                      

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

sflogo.php